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Download E-books Malicious Cryptography: Exposing Cryptovirology PDF

By Adam Young

Hackers have exposed the darkish part of cryptography—that equipment constructed to defeat Trojan horses, viruses, password robbery, and different cyber-crime. It’s known as cryptovirology, the paintings of turning the very tools designed to guard your information right into a technique of subverting it. during this interesting, worrying quantity, the specialists who first pointed out cryptovirology convey you precisely what you’re up opposed to and the way to struggle again.

They will take you contained in the great and devious brain of a hacker—as a lot an addict because the vacant-eyed denizen of the crackhouse—so you could consider the frenzy and realize your opponent’s energy. Then, they'll arm you for the counterattack.

This ebook reads like a futuristic fable, yet be guaranteed, the hazard is ominously genuine. Vigilance is key, now.

  • Understand the mechanics of computationally safe details stealing
  • Learn how non-zero sum video game thought is used to boost survivable malware
  • Discover how hackers use public key cryptography to mount extortion attacks
  • Recognize and strive against the risk of kleptographic assaults on smart-card devices
  • Build a powerful arsenal opposed to a cryptovirology attack

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B. three. five The Quadratic Residuosity challenge . . . . . . . . . B. three. 6 The Phi-Hiding challenge . . . . . . . . . . . . . . . B. three. 7 The Phi-Sampling challenge . . . . . . . . . . . . . B. three. eight The Discrete Logarithm challenge . . . . . . . . . . B. three. nine The Computational Diffie-Hellman challenge . . . . B. three. 10 the choice Diffie-Hellman challenge . . . . . . . . B. four Random Oracles and capabilities . . . . . . . . . . . . . . . 307 307 309 312 313 314 314 315 315 315 317 318 318 318 319 Appendix C: Public Key Cryptography in a Nutshell C. 1 review of Cryptography . . . . . . . . . . . . . . C. 1. 1 Classical Cryptography . . . . . . . . . . . . C. 1. 2 The Diffie-Hellman Key trade . . . . . . C. 1. three Public Key Cryptography . . . . . . . . . . C. 1. four assaults on Cryptosystems . . . . . . . . . . C. 1. five The Rabin Encryption set of rules . . . . . . C. 1. 6 The Rabin Signature set of rules . . . . . . . C. 1. 7 The RSA Encryption set of rules . . . . . . . C. 1. eight The RSA Signature set of rules . . . . . . . . C. 1. nine The Goldwasser-Micali set of rules . . . . . . C. 1. 10 Public Key Infrastructures . . . . . . . . . . C. 2 Discrete-Log established Cryptosystems . . . . . . . . . 321 321 322 324 325 326 330 331 332 334 335 336 337 Appendix A: trojan horse fundamentals A. 1 Origins of Malicious software program . . . . . . . . . . . . . . A. 2 Trojans, Viruses, and Worms: what's the distinction? A. three an easy DOS COM Infector . . . . . . . . . . . . . . A. four Viruses Don’t need to achieve keep watch over earlier than the Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii Contents C. 2. 1 C. 2. 2 C. 2. three C. 2. four C. 2. five C. 2. 6 C. 2. 7 The ElGamal Encryption set of rules . . . . safeguard of ElGamal . . . . . . . . . . . . . The Cramer-Shoup Encryption set of rules . The ElGamal Signature set of rules . . . . . The Pointcheval-Stern Signature set of rules The Schnorr Signature set of rules . . . . . . The electronic Signature set of rules (DSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 338 340 342 343 344 345 thesaurus 347 References 357 Index 387 Foreword phrases resembling cryptovirology, malware, kleptogram, or kleptography should be surprising to the reader, however the easy thoughts linked to them definitely are universal. every person knows—often from unhappy experience—about viruses, Trojan horses, and worms and plenty of have had a password “harvested” through a section of software program planted surreptitiously on their machine whereas searching the internet. the belief public key may be put in a scourge in order that a part of its payload will be to accomplish a one-way operation at the host laptop that can in basic terms be undone utilizing the non-public key held by way of the virus’ writer used to be the invention from which Malicious Cryptography sprang. instead of describe those notions the following, interesting as they're, I’ll merely try and set the degree for the authors’ lucid description of those and different similar notions. Superficially, info safety, or details integrity, doesn’t seem to be a lot assorted from different capabilities fascinated about conserving the standard of knowledge whereas in garage or in the course of transmission. blunders detecting and correcting codes, for instance, are meant to make sure that the data receiver gets is equal to that despatched through the transmitter. Authentication codes, or authentication quite often, also are meant to make sure that info can neither be transformed nor substituted with no detection, hence permitting a receiver to be convinced that what he gets is what was once despatched and that it got here from the purported transmitter.

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